What happens in the body when you're studying for a math test? You're reading the problems, writing the answers, getting up to stretch, and talking to a friend on the phone. How are the body systems working together to complete these tasks?

a.) carbohydrates

i believe

lifetime activities are certain actions that are either required throughout your life or you choose to do them. for example, eating is considered a lifetime activity, drinking water or other beverages, keeping your body clean, taking medicine. those types of actions are considered lifetime activities.